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Finding the Fourth Proportional to 57,442.60, 86,128.62 and 22,341.34

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Solution

The fourth proportional to 57,442.60, 86,128.62 and 22,341.34 is: 33,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,442.60 : 86,128.62 = 22,341.34 : x
  2. Step 2: Convert to fraction form
    57,442.60/86,128.62 = 22,341.34/x
  3. Step 3: Cross multiply
    57,442.60x = 86,128.62 × 22,341.34
  4. Step 4: Simplify right side
    57,442.60x = 1,924,228,783.15
  5. Step 5: Solve for x
    x = 1,924,228,783.15/57,442.60
  6. Step 6: Final answer
    x = 33,498.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.